Home / 742,277.35-1,024,354.65-402,745.60

Finding the Fourth Proportional to 742,277.35, 1,024,354.65 and 402,745.60

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Solution

The fourth proportional to 742,277.35, 1,024,354.65 and 402,745.60 is: 555,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,277.35 : 1,024,354.65 = 402,745.60 : x
  2. Step 2: Convert to fraction form
    742,277.35/1,024,354.65 = 402,745.60/x
  3. Step 3: Cross multiply
    742,277.35x = 1,024,354.65 × 402,745.60
  4. Step 4: Simplify right side
    742,277.35x = 412,554,328,127.04
  5. Step 5: Solve for x
    x = 412,554,328,127.04/742,277.35
  6. Step 6: Final answer
    x = 555,795.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.